@r: "Hi all,
On SBS2k with E2K I am trying to set up SMTP for outgoing mail.  Sending
email to one particular domain name fails every time.  I suspect it's a
naming thing but I wouldn't be asking if I truly knew.
My server name is:  casual
My local domain is:  casual-management
The SMTP name is:  casual.casual-management.local
Our remote office has the domain (registered) as  casual-management.com and
emails go to  <email_address>
Emails bounce back with:
Your message did not reach some or all of the intended recipients.
Subject:
Sent: 4/19/2004 5:57 PM
The following recipient(s) could not be reached:
<email_address> on 4/19/2004 5:57 PM
There was a SMTP communication problem with the recipient's email server.
Please contact your system administrator.
<casual.casual-management.local #5.5.0 smtp;553 sorry, that domain isn't in
my list of allowed rcpthosts (#5.7.1)>
(I've changed actual domain information here but the point is that the names
are the same.)
I'm hoping that someone has seen this before and can guide me to a
reasonable solution.
Thank you,
Rich"
    @PleaseSubstituteMyActualFirstNameLastNameHere: "In news:%<email_address>,
RDavid <email_address> posted their thoughts, then I offered mine
<quote>
Is that the recipient's domain name?
Need to just touch base on something please. Is your internal AD DNS domain
name called "casual-management" (without a .com or .net or something), or
did you just make it that way to munge the name? If not munged, then that's
a single label DNS domain name. Problematic with AD functionality after SP4.
As for the domain names, did you choose the same name for your AD structure
as that external one you're trying to send to? I assume that you own that
name?
As for the 5.5.0, that means the server that is receiving it is not allowing
you to relay to it. Are you using it as a Smart Host, or do you have a smart
host configured?
It may also be due to the similar name during the HELO part of the SMTP
session (provided that your internal name is similar to that external name).
Read this to see what I mean:
<url>
Regards,
Ace
Please direct all replies to the newsgroup so all can benefit.
This posting is provided "AS-IS" with no warranties and confers no
rights.
Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory
HAM AND EGGS: A day's work for a chicken; A lifetime commitment for a
pig.  
================================="
    @r: "Ace,
Thank you very much for tackling this issue with me.
I checked my E2K and under the Advanced tab have FQDN:
casual.casual-management.local and the Smart Host field is blank.
Under Access-> Relay the radio button for "Only include list below": which
now has 83.161.120.155 for the local address start and 83.161.120.155 for the
subnet mask and the checkbox for "Allow all qualified..." is checked.
I added two external DNS servers within E2K as well (I read that E2K only
validates on the first DNS it finds (our internal DNS) but will look at
external DNS if configured).
After all this, now when I send an email via our SMTP I get:
Your message did not reach some or all of the intended recipients.
Subject: Still testing - Please delete
Sent: 4/20/2004 9:32 AM
The following recipient(s) could not be reached:
<email_address> on 4/20/2004 9:32 AM
The e-mail account does not exist at the organization this message was sent
to.  Check the e-mail address, or contact the recipient directly to find out
the correct address.
<casual.casual-management.local #5.1.1>
This email IS a valid one for sure.
Well, at least I've gotten away from the 5.5.0 and 553.  Just not sure if
this is much better.
Your help is appreciated more than you know,
Thanks,
Rich
"Ace Fekay [MVP]"
<PleaseSubstituteMyActualFirstName&<email_address>> wrote in
message news:<email_address>
<quote>
domain
that's
SP4.
structure
allowing
smart
name).
<url>"
    @PleaseSubstituteMyActualFirstNameLastNameHere: "In news:<email_address>,
RDavid <email_address> posted their thoughts, then I offered mine
<quote>
I'll try to do my best here Rich. This is strange. But the first thing, is
that you cannot configure your Ex2k or any other internal server to use an
external DNS. That is just an AD requirement, and other issues WILL develop
if you use an external address. So stick to your internal one ONLY.
Glad you got rid of the 550's. That's out of the way.
Still didn't see a response on what your internal domain name is. Is it the
same as the one you are trying to send to? If so, then it;'s resolving
probably to your own server, which the name doesn;'t exist. I'm trying to
get a clearer pic of your internal configuration. Do me a favor and post an
ipconfig /all please.
Let's try this, if the domain you are sending to is the same FQDN as your
domain, manually create the mail record's FQDN under your internal DNS and
give it the IP of their mail server. I tried to look it up for you
(casual-management.com ) but found that name does not exist publicly.
Regards,
Ace
Please direct all replies to the newsgroup so all can benefit.
This posting is provided "AS-IS" with no warranties and confers no
rights.
Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory
HAM AND EGGS: A day's work for a chicken; A lifetime commitment for a
pig.  
================================="
    @r: "Wow, okay Ace, things have changed on this, mostly for the good, so here
goes....
We have two offices so I'll just call them North and South.  The south SBS2K
was set up with a domain name of "casual-management" with the server name of
"casual", certainly not the most optimal naming conventions, and we do not
have a registered domain name in use here, just a block of IP addresses.
The company HQ, North, has a registered domain of "casual-management.com"
and just a single IP address.  They are running Win2003 server and for a
mail server are using an old Sun Cobalt Blue Qube (it's an appliance that's
just been working for about four or more years with pretty much no
interventions).  The qube is a POP/SMTP server and the domain
(casual-management.com) is pointing to the qube.
When I began to have probs with the South SMTP in Ex2K, I contacted a local
consultant who surmised that part of our prob was that there were no Reverse
Lookup records and so therefore we were being looked at, by outside SMTP
servers, as being spam and therefore being rejected.  I chased around MS
KB's and looked at some of the returned emails and found that they didn't
like the fact that we were "relaying" emails.  So there was a KB article
talking about turning off relaying in Ex2K.  I followed things and sure
enough one of the items making me a relay was wrong, so I fixed it and
several emails went out clean.
Shortly later they began bouncing again.  This consultant TS'd into my
server and set the Smart Host to point to the Qube at the North office which
was fine until it too began rejecting because it said we were not on it's
list of approved hosts for relaying.  The consultant edited a file on the
Qube and added our IP's and things began to go out cleanly, for a while.
When probs came up again, he added my desktop internal IP to the Relay
Approved list of IP's to send to the SMTP and things worked again.  So now,
I can send emails, get emails, etc and so can my boss (which means I get to
work here for another week).
The residual issues I've got rattling around in my head are:
- Why I *need* to identify a Smart Host (I've already read articles why I
should) when I do not send out "tons" of emails.
- The list of approved hosts now has my IP's hardcoded and so if we change
anything, I'm back inside that Linux qube messing with files again.  Isn't
there a better way?
- Lastly, why didn't I open a Deli or restaurant instead?
Your help is appreciated and yes indeed this is a strange situation.  If I
only had a brain maybe I could trouble shoot this a bit better.
Rich
"Ace Fekay [MVP]"
<PleaseSubstituteMyActualFirstName&<email_address>> wrote in
message news:eqziTp$<email_address>
<quote>
develop
the
an"
    @PleaseSubstituteMyActualFirstNameLastNameHere: "In news:<email_address>,
RDavid <email_address> posted their thoughts, then I offered mine
<quote>
I was actually considering dumping this whole business and go back to
cutting lawns and climbing trees, like I did back in the early 80's. I
figured it would keep me in shape, and less stress, since I would be too
tired to think about it at the end of the day!
Not sure what your consultant had to edit, but whatever he did, he got it
working, let's leave it be for now. My take is the identical domain name,
since your server is trying to send an email to another server with an
identical name, os it tries to look it up in DNS, and says, hey, it's me,
and therefore, the useraccount doesn't exist since it's laura05@example.com.
Usually in a split-horizon namespace (what this winds up being), we would
manually make the records in DNS. But since you already have a server on the
domain, then this is quite difficult. Just leave it go for now, at least
it;s running and you have your job for a week longer!
Cheers!
Regards,
Ace
Please direct all replies to the newsgroup so all can benefit.
This posting is provided "AS-IS" with no warranties and confers no
rights.
Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory
HAM AND EGGS: A day's work for a chicken; A lifetime commitment for a
pig.  
================================="
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